Feem ntau cov ntawv hais txog ntau hom fiber ntau nres ntawm OM qib - OM3, OM4, lossis OM5. Tab sis los ntawm lub sij hawm koj zaum los tiag tiag txiav txim cables, qib tsuas yog ib kab ntawm ib tug ntev specification. Qhov ntsuas lub tsho dab tsi? Tight-buffed los yog xoob- raj? Simplex, duplex, lossis 24-fiber pob tw? UPC lossis APC polish? Koj yuav lees txais qhov kev txwv tsis pub nkag rau hauv daim ntawv xeem? Telcordia lossis IEC tus qauv twg yuav tsum tau lees paub rau tus neeg muag khoom?
Cov lus qhia no tsom mus rau yam uas OM- cov ntawv sib piv tsis ua: kev tsim kho lub cev ntawm ntau hom fiber ntau optic cable, daim ntawv uas koj tuaj yeem yuav tiag tiag, thiab cov khoom siv tshwj xeeb uas cais cov kab hluav taws xob ruaj ntseg los ntawm pheej yig. Yog tias koj xav tau los sib piv OM qib lawv tus kheej lossis npaj kev sib txuas mus deb, saib peb cov lus qhia ntawm tus khubOM1 vs OM2 vs OM3 vs OM4 vs OM5thiabmultimode fiber ntau nrug txwv los ntawm Ethernet ceev.
Dab tsi yog Sab hauv Multimode Fiber Optic Cable?
Ib qho "multimode fiber" yog 125 µm iav strand ntawm qhov chaw ntawm lub cable. Ib qho "multimode fiber optic cable" yog txhua yam qhwv ib ncig ntawm txoj hlua kom nws ciaj sia, txhim kho, thiab txuas tau. Ob lo lus feem ntau siv sib hloov, tab sis thaum lub sij hawm yuav khoom lawv yog cov khoom sib txawv heev.
Los ntawm sab hauv tawm, ib tug raug multimode thaj cable muaj xws li:
- Tub ntxhais (50 µm)- lub teeb- nqa cov iav cheeb tsam, doped los tsim cov qib refractive-index profile.
- Qhov siab (125 µm)- txheej iav txheej nrog qis dua refractive Performance index uas txwv lub teeb rau hauv qhov tseem ceeb.
- Thawj txheej (feem ntau yog 245 lossis 250 µm)- soft acrylate txheej siv thaum kos, tiv thaiv cov iav liab qab.
- Buffer (900 µm nruj- buffered lossis gel- puv lub raj xoob)- thawj txheej tiv thaiv tshuab.
- Cov tswv cuab muaj zog- aramid yarn (Kevlar) rau sab hauv tsev patch cords, fiberglass rods los yog hlau rau sab nraum zoov cables.
- Jacket- txheej txheej sab nraud, ntsuas rau qhov chaw teeb tsa.
Qhov kev xaiv ntawm nruj -buffered thiab xoob- raj tsim tsim yuav luag txhua qhov kev txiav txim siab downstream - yooj, rub nro, qhov tsawg kawg nkaus khoov vojvoog, suav fiber ntau, thiab txoj kev txiav tawm. Peb kev tawg ntawmxoob raj vs nruj-buffed fiber optic cablenpog thaum txhua qhov kev tsim kho yeej.
Multimode Fiber Optic Cable Form Factors Koj tuaj yeem yuav
"Multimode fiber" los ntawm kwv yees li xya yam khoom tsev neeg. Feem ntau qhov kev yuav khoom yuam kev tshwm sim thaum ib qhov project qhia txog tsev neeg tsis ncaj ncees tag nrho - yuav duplex thaj qaum thaum lub chaw cov ntaub ntawv xav tau ua ntej - txiav MPO trunks, los yog yuav hauv tsev cable rau txoj kev uas hla lub tsev sab nrauv.
Simplex thiab duplex thaj cords
Cov khoom me tshaj plaws thiab feem ntau. Ib lossis ob lub fibers hauv lub tsho 1.6-3.0 hli, txiav nrog LC, SC, ST, lossis FC connectors. Tus qauv ntev yog 0.5 m txog 10 m tawm - lub- txee, nrog txiav ntev dua li kev txiav txim. Yuav luag txhua tus neeg rau zaub mov-rau-hloov thiab hloov-rau-hloov SR-optic txuas hauv ib lub chaw khaws ntaub ntawv siv lub duplex LC thaj qaum. Muaj configurations nyob rau hauvmultimode fiber ntau thaj qaumnplooj.
MPO / MTP lub cev cables
Permanent los yog semi-mus tas li ntau- fiber ntau nraub qaum, feem ntau 12, 24, 48, lossis 72 fibers hauv ib lub tsho. Ua ntej- txiav MPO/MTP connectors ntawm ob qho kawg tshem tawm qhov kev txiav tawm tag nrho - koj rub lub cev, ntsaws ob qhov kawg rau hauv cov ntawv, thiab koj ua tiav. Cov pob tw yog cov pob txha ntawm cov kab ke hauv cov ntaub ntawv niaj hnub no, thiab lawv ua tus thawj ib puag ncig uas khiav 40G lossis 100G parallel optics. SaibMultimode MPO / MTP lub cev cable configurations.
MPO breakout (harness) cables
Ib qho MPO / MTP ntawm ib qho kawg kiv cua tawm mus rau ntau lub duplex LC khub ntawm lwm qhov. Daim ntawv thov classic yog hloov 40G QSFP + SR4 chaw nres nkoj rau hauv plaub 10G SFP + SR txuas, lossis 100G QSFP28 SR4 chaw nres nkoj rau hauv plaub 25G SFP28 chaw nres nkoj. Polarity (Hom A, B, lossis C) tseem ceeb ntawm no - tau qhov tsis ncaj ncees lawm polarity thiab qhov txuas yuav tsis dhau lub teeb. CovMPO breakout cablecov kev xaiv muaj xws li 8-fiber thiab 12-fiber versions rau txawv transceiver qauv.
Pigtails
Ib qho kawg yog lub Hoobkas- txiav nrog tus txuas; lwm qhov yog liab qab fiber ntau, npaj los ua fusion-splice rau sab nraum zoov lossis xa xov hluav taws xob hauv lub tais sib txuas. Pigtails tswj hwm FTTH txee ua haujlwm thiab sab nraum zoov- mus rau- kev hloov pauv sab hauv tsev qhov twg rub lub pre- txiav cable los ntawm cov kav dej tsis zoo.
Distribution thiab breakout (sab hauv tsev) cables
Ntau- fiber ntau cables - 6, 12, 24, 48, lossis ntau dua fibers hauv ib lub tsho - tsim los rau sab hauv tsev riser, plenum, lossis kev faib khoom hauv tsev. Fais fab cables yog subunit-bundled thiab compact; breakout cables qhwv txhua fiber nyob rau hauv nws tus kheej 2 hli subunit tsho kom tus neeg fibers yuav raug txiav ncaj qha.
Sab hauv / sab nraum zoov thiab sab nraum zoov cables
Sab nraum zoov multimode khiav yog qhov tsawg zuj zus (cov pob txha hauv tsev kawm ntawv tau hloov mus rau ib qho - hom), tab sis lawv tseem muaj nyob rau luv luv inter- lub tsev txuas. Cov lus qhia tshwj xeeb kom paub tseeb: dej- thaiv (gel- puv lossis dej- thaiv daim kab xev), UV- lub tsho tiv taus, kev ua haujlwm kub (feem ntau −40℃rau +70 degree), thiab tiv thaiv nas yog ncaj qha - faus.
Armored cables
Lub kauv hlau lossis txhuas- cov cuab yeej sib cuam tshuam qhwv ib ncig ntawm cov tub ntxhais cable, siv qhov chaw tiv thaiv kev tiv thaiv trumps yooj - nyob rau hauv cov plag tsev uas hnyav ko taw, nyob rau hauv kev lag luam ib puag ncig, los yog cov nas yog ib qho teeb meem paub. Armored cables hnyav dua thiab tawv dua, nrog qhov loj qhov qis qis qis dua.
Jacket Ratings: Dab tsi OFNR, OFNP, LSZH, thiab Cov Phooj Ywg Tiag Tiag
Jacket rating yog ib qho ntawm feem ntau yuam kev ntawm kev yuav khoom vim hais tias txhua qhov kev ntsuam xyuas yog kev cai raws li txoj cai, tsis yog kev xaiv zoo. Kev yuav qhov ntsuas tsis raug tuaj yeem ua tsis tiav kev tshuaj xyuas lub tsev thiab yuam kom rov qab tag nrho - rub.
| Kev ntsuas | Txuj | Siv qhov twg | Sau ntawv |
|---|---|---|---|
| OFNG/OFN | NFPA 70 (NEC) Tshooj 770 | General -lub hom phiaj sab hauv tsev, ib leeg- khiav hauv pem teb | Tsis tuaj yeem siv rau hauv risers lossis plenums |
| OFNR | PAB 70 | Vertical nruab nrab ntawm -pem teb (riser) khiav | Yuav tsum tau tus kheej -tawm hauv qab UL 1666 xeem |
| OFNP | PAB 70 | Huab cua- tuav cov chaw plenum | Yuav tsum xeem dhau NFPA 262 (Steiner tunnel) xeem; xav tau saum toj saud qab nthab hauv HVAC rov qab txoj hauv kev |
| LSZH | IEC 60332-1, IEC 61034 Kev Tswj Xyuas Kev Lag Luam | European kev teeb tsa, kev thauj mus los, dej hiav txwv, cov chaw khaws ntaub ntawv nrog cov pa luam yeeb nruj | Halogen{0}}dawb; txo toxicity hauv hluav taws |
| OFCR / UAS | PAB 70 | Ib yam li OFNR / OFNP tab sis nrog cov tswv cuab ntawm cov khoom siv hlau | Siv rau armored los yog messengered cables |
Xyuas koj tus lej hauv zos ua ntej qhia. North American cov haujlwm yuav luag ib txwm xav tau OFNR lossis OFNP. European thiab APAC tej yaam num feem ntau xav tau LSZH. Hyperscale data centers feem ntau qhiaob leegKev ntsuas hluav taws xob North American thiab LSZH cov yam ntxwv - kev sib xyaw ua ke no yog ib qho kev cai sib xws- cov khoom tshwj xeeb, yog li paub meej nrog tus muag khoom thaum ntxov.
Endface Polish: Vim li cas PC thiab UPC Dominate Multimode, thiab APC Tsis tshua muaj
Lub ntsej muag polished ntawm multimode connector ferrule ncaj qha txiav txim siab rov qab -xav txog thiab qhov poob. Peb txoj kev polishing muaj nyob:
- PC (lub cev tiv tauj)- me ntsis domed, rov poob ib ncig ntawm −40 dB. Loj heev superseded.
- UPC (Ultra Physical Contact)- ntau dua dome, rov poob ib ncig ntawm −50 dB lossis zoo dua. Tus qauv rau multimode thaj cords thiab connectors hnub no.
- APC (Angled Physical Contact)- 8℃angled endface, rov poob ntawm −60 dB lossis zoo dua. Tus qauv rau ib zaug -hom FTTH/CATV.
APC tsis tshua pom muaj nyob rau hauv multimode rau ib qho laj thawj ncaj nraim: cov tshuab multimode siv qhov siv zog-modulated VCSEL transmitters uas tsis tshua muaj kev cuam tshuam rau rov qab-relection dua qhov nqaim-linewidth lasers hauv ib qho -mode CATV lossis coherent systems. Qhov kev rov qab los ntawm qhov tsis zoo- kev txhim kho poob tsis ua pov thawj tus nqi siab dua thiab qhov nruj polarity txuam nrog APC xav tau. Yuav luag txhua qhov multimode thaj qaum ships li UPC. Qhov tshwj xeeb yog qee qhov siab -MPO ntom ntom -APC cov rooj sib txoos siv hauv cov qauv tshwj xeeb - saibSC / APC fiber ntau optic cablerau tag nrho PC vs UPC vs APC sib piv.
Anatomy ntawm Multimode Fiber Optic Cable Part Number
Feem ntau cov khoom siv cable encode tag nrho cov lus qhia hauv tus lej. Kev kawm nyeem cov lej yuav txuag sij hawm rov qab - thiab - tawm ntawm RFQs. Ib feem naj npawb zoo li no:
Piv txwv: LC/UPC–LC/UPC–DX–OM4–2.0mm–LSZH–3M
- LC / UPC-LC / UPC- connectors ntawm txhua qhov kawg, nrog polish hom.
- DX- duplex (ob -fiber). Lwm cov lej: SX simplex, 8F lossis 12F rau MPO cov rooj sib txoos.
- OM 4- qib fiber ntau.
- 2.0 hli- sab nraud txoj kab uas hla ntawm txhua lub subunit (qhov tseem ceeb: 0.9 mm pigtail, 1.6 mm slim thaj, 2.0 mm thiab 3.0 mm standard thaj).
- LSZH- cov khoom siv lub tsho / qhov ntsuas.
- 3M- ntev hauv meters.
Rau MPO cov rooj sib txoos, cov cai nthuav dav suav nrog suav fiber ntau (8/12/16/24), polarity (Hom A / B / C), tus pin muaj (txiv neej / poj niam), thiab ferrule polish (UPC lossis APC):
Piv txwv: MTP12-F/UPC–MTP12-F/UPC–TypeB–OM4–LSZH–10M
Thaum sau cov khoom spec, sau txhua lub ntsiab lus kom meej. Ambiguity - piv txwv li, omitting polarity ntawm MPO lub cev - yog ib qho ua rau muaj kev xa rov qab.
Kev Qhia Txog Kev Muag Khoom: Dab tsi xav tau ntawm Daim Ntawv Teev Cov Ntaub Ntawv thiab Daim Ntawv Xeem Xeem
Optical specifications
- Insertion poob ib khub niam txiv:Feem ntau Tsawg dua lossis sib npaug rau 0.30 dB raug, Tsawg dua lossis sib npaug rau 0.50 dB siab tshaj plaws rau tus qauv LC / UPC; Tsawg dua lossis sib npaug rau 0.20 dB rau qis- poob thiab Tsawg dua lossis sib npaug rau 0.12 dB rau ultra- qis- poob sib dhos.
- Rov qab poob:Ntau dua lossis sib npaug li 35 dB rau multimode UPC.
- Fiber qib ntawv pov thawj:Kev ntsuas OM3 / OM4 / OM5 thiab hauv qab TIA-492 lossis IEC 60793-2-10 tus qauv.
Qhov sib txawv ntawm qhov poob thiab rov qab poob teeb meem vim lawv ua tsis tau qhov sib txawv hauv kev pabcuam - siab ntxig poob tshaib plab rau lub receiver ntawm lub hwj chim, thaum lub siab rov qab xav txog qhov tsis zoo ntawm lub laser. Kev kho mob tob hauvinsertion poob vs rov poobyog tsim nyog nyeem ua ntej sau RFQ.
Mechanical specifications
- Yam tsawg kawg nkaus khoov radius:feem ntau 10 × txheej kab hauv qab load, 6 × unloaded. Khoov-insensitive multimode fiber ntau tso cai rau txoj kev nruj dua.
- Tensile load:luv- lub sij hawm (thaum lub sij hawm installation) thiab ntev - lub sij hawm (nyob rau hauv kev pab cuam). Sab hauv cov hlua khi feem ntau yog ntsuas 50 N luv-lub sijhawm; Sab nraum zoov cables 600 N lossis ntau dua.
- Crush resistance:ntsuas hauv N / cm. Tseem ceeb heev rau cables nyob rau hauv pem teb tsa los yog qab racks.
- Ua haujlwm kub:−20℃rau +70℃rau sab hauv tsev; −40℃rau +70℃rau sab nraum zoov.
Connector specifications
- Cov khoom siv Ferrule:zirconia ceramic yog tus qauv kev lag luam rau multimode LC, SC, ST, thiab FC.
- Endface geometry:apex offset, vojvoog ntawm curvature, fiber ntau qhov siab - txhais los ntawm IEC 61755-3.
- Mating durability:feem ntau 500 mus rau 1000 cycles ua ntej lub connector ferrule xav tau kev hloov.
Cov ntawv pov thawj zoo tsim nyog thov
- Telcordia GR-326-CORE- ib leeg-fiber connector kev ntseeg tau (feem ntau yog siv rau LC, SC, FC, ST).
- Telcordia GR-1435-CORE- ntau-fiber connector kev ntseeg siab (MPO/MTP).
- IEC 61753-1: Cov- passive fiber optic tivthaiv kev ua tau zoo.
- RoHS, REACH- kev ua raws li cov khoom siv rau EU kev lag luam.
- UL npe- Kev ntsuas hluav taws xob pov thawj rau North American lag luam.
Cov ntawv xeem yuav tsum tau ua
Xav tau ib-cov ntaub ntawv xeem sib sau ua ke - tsis yog ib qho ntawm -batch summary - rau ib qho txuas uas yuav ua rau muaj kev tsim khoom. Daim ntawv qhia yuav tsum muaj xws li:
- Insertion poob ntsuas ntawm 850 nm thiab 1300 nm (multimode).
- Rov qab poob ntsuas ntawm tib lub wavelengths.
- Endface soj ntsuam cov duab rau txhua qhov txuas (ib IEC 61300-3-35).
- Visual continuity pov thawj.
- Tus neeg teb xov tooj thiab hnub tim.
Rau sab hauv lub Hoobkas, tus neeg muag khoom muaj npe nrov yuav ua raws li cov ntaub ntawv txiav tawm, polishing, thiab peb -theem tshuaj ntsuam xyuas haujlwm - dab tsi DIMI tus kheejfiber optic cable los ua ke txheej txheemCov txheej txheem yog qhov zoo tshaj plaws ntawm kev sib dhos cable.
Tight-Buffered vs Loose-Tube: Xaiv txoj kev tsim kho
Kev tsim kho ntawm Multimode cable faib huv si rau hauv ob tsev neeg, thiab lawv tsis tuaj yeem hloov pauv.
| Khoom | Tight-Nruab | Loose-Tube |
|---|---|---|
| Tsis pub | 900 µm thermoplastic, sib txuas rau txheej | 2-3 hli raj, fibers ntab hauv gel lossis dej qhuav- thaiv |
| Kev txiav txim | Direct xaus nrog connectors | Feem ntau spliced rau pigtails |
| Ib puag ncig zoo tshaj plaws | Sab hauv tsev, thaj vaj huam sib luag, cov khoom siv chav | Sab nraum zoov, ncaj qha faus, huab cua, hnyav kub |
| Fiber suav | Feem ntau Tsawg dua los yog sib npaug rau 24 fibers | Txog li ob peb puas fibers |
| Crush/flex | Flexible, me me khoov vojvoog | Siffer, loj khoov vojvoog |
| Tus nqi ib 'meter' | Siab dua | Lower rau siab fiber ntau suav |
Tight-buffered yog cov lus teb zoo rau yuav luag txhua daim ntawv thov hauv tsev multimode - txhua tus qauv patch qaum, riser, thiab plenum cable siv qhov kev tsim kho no. Loose-tube yog cov lus teb zoo rau kev khiav tawm sab nraum zoov, huab cua spans, thiab siab -fiber- suav qaum. Kev sib xyaw ua ke hauv ib qho channel los ntawm kev sib txuas kaw yog ib txwm ua rau sab nraum zoov - mus rau - kev hloov hauv tsev; sib tov lawv raws li kev yuav khoom hloov tsis yog.
Ua ntej-Terminated vs Field-Terminated: Tus Nqi-vs-Flexibility Trade-Tawm
Rau niaj hnub cov ntaub ntawv chaw cabling, kev txiav txim siab ntawm ua ntej -tawm lub Hoobkas sib dhos thiab teb-tawm cabling yog qhov tseem ceeb nyob rau hauv kev pom zoo ua ntej - txiav tawm - tab sis tsuas yog vim li cas.
Ua ntej-tawm cov cables (lub Hoobkas- polished, Hoobkas- kuaj, xa nrog daim ntawv ntsuam xyuas) xa cov khoom tsis sib xws, tshem tawm cov kev sib txawv ntawm qhov sib txawv ntawm qhov sib txawv, thiab txiav txim siab lub sijhawm teeb tsa. Kev lag luam tawm -tawm yog qhov ntev precision: lub rooj sib dhos tau tsim kom ntev ntev, yog li txoj kev cable yuav tsum raug ntsuas kom raug ua ntej xaj.
Field-tawm cov cabling (tus neeg kho tshuab lossis fusion splicing ntawm connectors mus rau tej cable ntawm qhov chaw) khaws cia ntev yooj - pab tau rau retrofits qhov tseeb routing tsis meej - tab sis qhia tus neeg teb xov tooj txawj raws li ib tug kuj sib txawv, slows installation, thiab hloov lub warranty lub nra rau lub installer. Rau feem ntau niaj hnub multimode data center deployments, pre-tawm MPO trunks nrog cassettes ntawm txhua qhov kawg tau ua lub neej ntawd.
Multimode Cable Specification FAQ
Q: Puas yog khoov-insensitive multimode fiber ntau tsim nyog?
A: Rau siab - thaj thaj thaj tsam, tsa- hauv pem teb routing, thiab txhua qhov kev teeb tsa qhov twg cov cables hla lub vaj huam sib luag hinges lossis los ntawm cov ces kaum nruj, yog. Khoov-insensitive multimode fiber ntau (qee zaus hu ua BIMMF, ua lag luam raws li OM3+ lossis OM4+ los ntawm qee tus neeg muag khoom) zam khoov radii kwv yees li ib nrab ntawm cov qauv multimode yam tsis ntsuas qhov poob nce. Tus nqi hwm yog me ntsis. Rau cov pob txha caj qaum uas tau khiav hauv txoj kab ncaj nraim, qhov txiaj ntsig me dua.
Q: Yuav tsum multimode patch cords yog 2.0 hli lossis 3.0 hli lub tsho txoj kab uas hla?
A: 3.0 hli tau ua keeb kwm yav dhau los rau sab hauv tsev thaj qaum . 2.0 hli thiab txawm tias 1.6 hli "slim" thaj cords tau dhau los ua neeg nyiam nyob rau hauv siab -cov ntaub ntawv ceev ceev thaj teb vim lawv ntim ntau huv si rau hauv LC- duplex cassettes thiab txhim kho airflow. Mechanical robustness qis dua me ntsis, yog li 3.0 mm tseem muaj rau tus ntoo khaub lig- txuas uas tau txais kev kho dua tshiab.
Q: Kuv puas xav tau APC polish ntawm multimode cables?
A: Yuav luag tsis tau. Multimode systems siv VCSEL transmitters uas zam rov qab - rov qab zoo, thiab tus qauv UPC polish muab ntau tshaj li qhov txaus xa rov qab. APC ntxiv tus nqi thiab polarity- sib piv qhov nyuaj yam tsis muaj txiaj ntsig ntsuas tau. Qhov tsuas yog qhov tshwj xeeb yog qee qhov niche MPO-APC cov rooj sib txoos rau cov qauv tshwj xeeb siab- ntom ntom ntom ntom.
Q: Ntev npaum li cas thiaj tuaj yeem muab cov hlua txuas txuas ntxiv kom raug txiav tawm ntawm -- txee?
A: Feem ntau cov khoom lag luam Tshuag tus qauv duplex LC-LC OM3 thiab OM4 thaj cords ntawm 0.5 m txog 10 m hauv 0.5 m increments. Qhov ntev tshaj 10 m feem ntau yog ua -rau - xaj. Rau MPO trunks, cov khoom lag luam yog nqaim; yuav luag txhua yam saum toj no 5 m yog kev cai.
Q: Dab tsi yog "qis- poob" vs "ultra- qis- poob" txhais li cas ntawm tus txuas multimode?
A: Txheem LC / UPC: Tsawg dua lossis sib npaug rau 0.30 dB raug kev poob qis. Tsawg- poob: Tsawg dua lossis sib npaug rau 0.20 dB. Ultra- qis- poob: Tsawg dua lossis sib npaug rau 0.12 dB. Qhov sib txawv tseem ceeb tshaj plaws nyob rau hauv 40G / 100G / 400G raws nrog ntau cov ntsiab lus sib txuas, qhov twg txhua 0.1 dB ntawm kev txuag poob ncaj qha txuas ntxiv qhov kev txhawb nqa.
Q: Kuv puas tuaj yeem xaj kev cai - cov ntawv luam tawm ntawm cov kab ntau hom?
A: Yog - feem ntau cov khoom siv cable sib dhos muab cov cua sov-shrink labeling nrog cov cuab yeej cuab tam cim npe, tus lej chaw nres nkoj, lossis cov lej ua haujlwm. Qhia meej cov hom ntawv, font loj, thiab qhov chaw (feem ntau 10 cm ntawm txhua qhov txuas) thaum tso qhov kev txiav txim. Labeling ntawm lub Hoobkas yog pheej yig dua thiab ruaj khov dua li kev sau npe ntawm lub txee.
Q: Dab tsi yog qhov kev lav phib xaub ntawm multimode thaj qaum?
A: Lub neej lav tiv thaiv kev tsim khoom tsis xws luag yog cov qauv kev lag luam rau cov khoom muaj npe nrov. Qhov no tsis suav nrog kev puas tsuaj rau lub cev hauv thaj teb, kev sib kis, thiab dhau -bending. Nyeem cov nqe lus lav ua tib zoo - qee tus neeg muag khoom tuaj yeem lav lawv qhov kev lav phib xaub ntawm kev hloov tus nqi ntawm lub cable, uas yuav tsis them tus nqi ntawm qhov txuas tsis ua haujlwm hauv ib puag ncig tsim khoom.
Q: Kuv yuav txheeb xyuas tus neeg muag khoom li cas cable zoo ua ntej muab qhov kev txiav txim loj?
A: Thov ib qho qauv me me ntawm kev teeb tsa tiag tiag uas koj npaj yuav yuav hauv ntim. Kuaj nws ntawm lub rooj ntev zaum tiv thaiv kev ntsuas ntsuas: ntsuas qhov poob nrog OLTS, rov qab poob nrog ORL ntsuas, thiab tshuaj xyuas qhov kawg. Sib piv cov kev ntsuas teb tawm tsam tus neeg muag khoom daim ntawv tshaj tawm kev xeem. Qhov txawv txav tseem ceeb yog qhov qhia tau tias qhov kev txiav txim ntim yuav muaj qhov tsis zoo. Txoj kev taug kev yog nyob hauv pebfiber optic cable installation daim ntawv qhia.
Xaus
Cov qib fiber ntau tau txais kev saib xyuas feem ntau hauv kev sib tham hauv multimode cable, tab sis kev tsim kho thiab kev yuav khoom tshwj xeeb txiav txim siab seb lub cable puas ua tau raws li cov ntaub ntawv cog lus. Qib OM kho qhov bandwidth -nqaj qab nthab; lub tsho ntsuam xyuas txiav txim siab seb koj puas dhau lub tsev tshuaj xyuas; lub connector polish thiab ib -pair insertion poob txiav txim seb koj 100G txuas muaj cov npoo txaus; daim ntawv tshaj tawm kev xeem txiav txim siab npaum li cas kev ntseeg koj tuaj yeem muab tso rau hauv lub rooj sib txoos ua ntej ntsaws rau hauv kev tsim khoom.
Ib qho khoom siv tau zoo spec sau txhua qhov ntawm cov ntsiab lus no qhia meej. Ib tus neeg muag khoom muaj txiaj ntsig xa tawm ib daim ntawv qhia txog kev sib sau ua ke uas sib xws li qhov spec thov. Thaum ob tog ua lawv txoj haujlwm, multimode fiber ntau cabling dhau los ua hom kev tsim kho vaj tse uas koj nruab ib zaug thiab tsis nco qab txog - uas yog raws nraim qhov nws yuav tsum yog.
